bolingop50 Four-colors Gravity Pen: Multifunctional design
The Four-colors Gravity Pen isn't just another writing instrument—it's a clever little gadget that feels like it's from the future. By flipping the pen, you switch colors, thanks to its built-in gravity sensor. No more fumbling with four separate pens or clicking through a rainbow of options. It's all in the wrist, and the 0.5mm lead core keeps your lines sharp, whether you're jotting down lecture notes or signing a contract.
But here's the kicker: the roller ball mechanism isn't just for show. It delivers a buttery smooth ink flow that won't quit, even during marathon brainstorming sessions. The grip? Designed to keep your hand from staging a protest after the third hour of use. For students buried in textbooks or professionals drowning in paperwork, this pen isn't just handy—it's a tiny revolution in your pocket.
- 0.5mm lead core
- Gravity sensor technology
- Four-color ink system
- Roller ball mechanism
- Multifunctional design
General specs
- Brand: bolingop50
- Seller: Joom
- Lead core size: 0.5mm
- Ink colors: Four
- Technology: Gravity sensor
- Mechanism: Roller ball
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
Comparison with similar products
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Four-colors Gravity Pen Multifunctional design
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Multifunctional Stylus Pen Gray 7-in-1 functionality
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Smart Pen + Leather Notebook Real-time synchronization
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Smart Electronic Digital Watch Pen Digital watch functionality
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| Brand | bolingop50 | Elberta | TOMTOP JMS | Board M Factory | FONKEN | Refreshing Home |
| Model | Bear | |||||
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| Price | $8.67 | $5.32 | $112.86 | $45.17 | $5.78 | $12.33 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 14, 2025 | August 8, 2025 | August 8, 2025 | August 8, 2025 | August 8, 2025 | August 8, 2025 |
| Material | Metal, Plastic | Leather | High-quality materials | |||
